AFOS product CLIRFD
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CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
132 AM CDT TUE AUG 22 2017


................................... 

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         84    308 PM 100    1955  82      2       76       
                                      1916                          
  MINIMUM         67    508 AM  45    1950  61      6       56       
  AVERAGE         76                        72      4       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.84 2002   0.14  -0.14     0.00    
  MONTH TO DATE    0.61                      3.19  -2.58     2.44    
  SINCE JUN 1     15.53                     11.79   3.74    12.50    
  SINCE JAN 1     34.38                     24.26  10.12    24.06    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        0       
  SINCE JUN 1     12                        34    -22        6       
  SINCE JUL 1      1                         3     -2        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         7      4        1       
  MONTH TO DATE  135                       161    -26      217       
  SINCE JUN 1    636                       610     26      747       
  SINCE JAN 1    672                       665      7      832       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     6.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     62           400 PM                                     
 AVERAGE    81                                                       

..........................................................

                                                                     
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82       101      1936                    
 MINIMUM TEMPERATURE (F)   61        41      1923                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 22 2017........SUNRISE   612 AM CDT   SUNSET   746 PM CDT   
AUGUST 23 2017........SUNRISE   613 AM CDT   SUNSET   745 PM CDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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